phpmyadmin-count()有何错误:参数必须是实现可计数的数组或对象,行号:40
我想统计数据库中要登录的用户,我的代码怎么了phpmyadmin-count()有何错误:参数必须是实现可计数的数组或对象,行号:40,php,codeigniter,Php,Codeigniter,我想统计数据库中要登录的用户,我的代码怎么了 public function index(){ //validasi $valid = $this->form_validation; $valid->set_rules('username', ' Username', 'required', array('required' => 'Username harus diisi')); $valid->s
public function index(){
//validasi
$valid = $this->form_validation;
$valid->set_rules('username', ' Username', 'required',
array('required' => 'Username harus diisi'));
$valid->set_rules('password', 'Password', 'required|min_length[6]',
array('required' => 'password harus diisi',
'min_length' => 'Password minimal 6 karakter'));
if($valid->run()===FALSE){
//end validasi
$data = array('title' => 'Login Admin Tempat Ngaji');
$this->load->view('back-end/login_view', $data, FALSE);
//cek username dan password
}else{
$i = $this->input;
$username = $i->post('username');
$password = $i->post('password');
//cek di database
$check_login = $this->admin_model->login($username, $password);
//jika ada di db
//jika ada data 1
if(count($check_login) == 1) { `//row 40`
$this->session->set_userdata('username', $username);
$this->session->set_userdata('akses_level', $check_login->akses_level);
$this->session->set_userdata('id_admin', $check_login->id_admin);
$this->session->set_userdata('nama', $check_login->nama);
$this->session->set_userdata('status', $check_login->status);
redirect(base_url('admin/dashboard'), 'refresh');
}else{
//jika tidak cocok error
$this->session->set_flashdata('msg', 'Username atau password tidak cocok');
redirect(base_url('admin/login'), 'refresh');
}
函数登录
function login
public function login($username, $password){
$this->db->select('*');
$this->db->from('admin');
$this->db->where(array('username' => $username,
'password' => sha1($password)));
$query = $this->db->get();
return $query->row();
}
查找时,我看到一些人的代码中有此错误,但我在phpMyAdmin中没有找到任何人收到此错误
我应该做什么?试试这个:
型号:
public function login($username, $password){
$this->db->select('*');
$this->db->from('admin');
$this->db->where(array('username' => $username,
'password' => sha1($password)));
$query = $this->db->get();
if ($query->num_rows() !== 1) {
return false;
}
return $query->row();
}
控制器:
if($check_login) { `//row 40`
$this->session->set_userdata('username', $username);
$this->session->set_userdata('akses_level', $check_login->akses_level);
$this->session->set_userdata('id_admin', $check_login->id_admin);
$this->session->set_userdata('nama', $check_login->nama);
$this->session->set_userdata('status', $check_login->status);
redirect(base_url('admin/dashboard'), 'refresh');
}else{
//jika tidak cocok error
$this->session->set_flashdata('msg', 'Username atau password tidak cocok');
redirect(base_url('admin/login'), 'refresh');
}
此外,与md5类似的sha1也不安全SHA-1容易受到长度扩展攻击:
警告:不建议使用此功能来保护安全
密码,由于这种哈希算法的快速性。见
密码哈希常见问题解答,了解详细信息和最佳实践
什么是$check\u登录?Var_dump it你能在admin_model->loginsure公共函数login$username,$password{$this->db->select'*';$this->db->from'admin';$this->db->wherearray'username'=>username,'password'=>sha1$password;$query=$this->db->get;return$query->->row;}不清楚您在问什么-这是您自己编写的代码,还是phpMyAdmin代码?如果是前者,那么这里与phpMyAdmin的连接是什么?您的$check\u登录名为空,这就是您出现此错误的原因。只需在检查计数之前检查isset$check\u登录。